{"product_id":"red-white-452-dual-plate-iron-check-valve-2-12","title":"Red-White 452 Dual Plate Iron Check Valve – 2\"–12","description":"\u003cdiv id=\"pvfpro-nav-links\" style=\"margin:0 0 16px 0;\"\u003e\n\u003ca href=\"\/collections\/red-white-valve\" style=\"display:inline-block;padding:6px 14px;margin:0 8px 8px 0;background:#f2f2f2;border-radius:20px;font-size:0.9rem;font-weight:600;color:#1a1a1a;text-decoration:none;\"\u003eAll Red-White Products\u003c\/a\u003e\n\u003ca href=\"\/collections\/dual-plate-check-valve\" style=\"display:inline-block;padding:6px 14px;margin:0 8px 8px 0;background:#f2f2f2;border-radius:20px;font-size:0.9rem;font-weight:600;color:#1a1a1a;text-decoration:none;\"\u003eDual Plate Check Valves\u003c\/a\u003e\n\u003c\/div\u003e\u003cdiv id=\"pvfpro-above-fold\" style=\"border-left:4px solid #1a1a1a;padding:14px 18px;margin:0 0 14px 0;\"\u003e\n\u003cdiv style=\"font-size:1rem;font-weight:600;line-height:1.7;\"\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eContractor-Grade Dual Plate Check Valve – Built for Daily Use\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eReliable, No-Failure Operation\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eTrusted by Pros – Not Consumer-Grade\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"font-size:0.92rem;font-weight:700;color:#c0392b;margin:0 0 16px 0;\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/div\u003e\u003cdiv style=\"font-size:1.1rem;line-height:1.7;margin:0 0 18px 0;\"\u003e\n\u003cp\u003eThe Red-White 452 is a brass dual plate check valve built for compact backflow prevention in commercial and industrial piping. Red-White Valve Corp. manufactures this series for daily commercial and industrial service.\u003c\/p\u003e\n\u003cp\u003ePhysical characteristics: brass body, available in 2\"–12. Full technical data is in the spec sheet linked below.\u003c\/p\u003e\n\u003c\/div\u003e\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:22px 0 10px 0;\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8;\"\u003e\n\u003cli\u003eCompact backflow prevention in commercial and industrial piping\u003c\/li\u003e\n\u003cli\u003eCommercial plumbing and mechanical systems\u003c\/li\u003e\n\u003cli\u003eIndustrial process and utility piping\u003c\/li\u003e\n\u003cli\u003eMaintenance, repair, and replacement (MRO) work\u003c\/li\u003e\n\u003cli\u003eNew construction and retrofit projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:22px 0 10px 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8;\"\u003e\n\u003cli\u003ebrass body\u003c\/li\u003e\n\u003cli\u003eSizes from 2\"–12\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:22px 0 10px 0;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:760px;\"\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;font-weight:600;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003eRed-White Valve Corp.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;font-weight:600;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003e452\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;font-weight:600;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003eCast Iron A126-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;font-weight:600;\"\u003eSize Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003e2\"–12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;font-weight:600;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003eASTM A313 S31600; ASTM A276 S30400; ASTM A307-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;font-weight:600;\"\u003eSpec Sheet\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003ehttps:\/\/redwhitevalvecorp.com\/pdfs\/452.pdf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:22px 0 10px 0;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin:0 0 12px 0;\"\u003e\n\u003cdiv style=\"font-size:1.1rem;font-weight:700;\"\u003eQ: What sizes does the Red-White 452 come in?\u003c\/div\u003e\n\u003cdiv style=\"font-size:1.1rem;\"\u003eA: This series is available in 2\"–12. All available sizes and configurations are listed in the variant selector above.\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin:0 0 12px 0;\"\u003e\n\u003cdiv style=\"font-size:1.1rem;font-weight:700;\"\u003eQ: What material is the 452 made of?\u003c\/div\u003e\n\u003cdiv style=\"font-size:1.1rem;\"\u003eA: The body is brass. Full material specifications are on the spec sheet linked below.\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin:0 0 12px 0;\"\u003e\n\u003cdiv style=\"font-size:1.1rem;font-weight:700;\"\u003eQ: Do you offer contractor or bulk pricing?\u003c\/div\u003e\n\u003cdiv style=\"font-size:1.1rem;\"\u003eA: Yes. Buy in volume and save, or contact us at sales@pvfpro.com for contractor pricing on quantity orders.\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv style=\"margin:0 0 12px 0;\"\u003e\n\u003cdiv style=\"font-size:1.1rem;font-weight:700;\"\u003eQ: Where can I find the full spec sheet and technical data?\u003c\/div\u003e\n\u003cdiv style=\"font-size:1.1rem;\"\u003eA: The manufacturer spec sheet is linked in the Technical Documents section below.\u003c\/div\u003e\n\u003c\/div\u003e\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:22px 0 10px 0;\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8;\"\u003e\n\u003cli\u003eGenuine Red-White Valve Corp. product – no substitutes\u003c\/li\u003e\n\u003cli\u003eStocked in U.S. warehouses for fast turnaround\u003c\/li\u003e\n\u003cli\u003eSeries-standard components for easy reorder and replacement\u003c\/li\u003e\n\u003cli\u003eContractor-focused service with bulk pricing available\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"border-left:4px solid #e87722;padding:14px 18px;margin:18px 0 0 0;background:#faf8f5;\"\u003e\n\u003cdiv style=\"font-size:1rem;font-weight:600;line-height:1.7;\"\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eIn Stock – Ready to Ship\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eBulk Pricing Available\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eFast Shipping from Multiple U.S. Warehouses\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:4px 0;\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700;\"\u003e✔\u003c\/span\u003e \u003cb\u003eBuilt for Contractors, Not DIY\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv id=\"pvfpro-tech-docs\" style=\"margin:22px 0 0 0;\"\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:0 0 10px 0;\"\u003eTechnical Documents\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:760px;\"\u003e\n\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003cth style=\"padding:8px 12px;font-size:0.85rem;text-transform:uppercase;text-align:left;\"\u003eDocument Type\u003c\/th\u003e\n\u003cth style=\"padding:8px 12px;font-size:0.85rem;text-transform:uppercase;text-align:left;\"\u003eDownload\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003eProduct Spec Sheet\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;font-size:1rem;\"\u003e\u003ca href=\"https:\/\/redwhitevalvecorp.com\/pdfs\/452.pdf\" target=\"_blank\" rel=\"noopener\" style=\"color:#e87722;font-weight:600;\"\u003eView \/ Download (PDF)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"pvfpro-resources\"\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase;margin:24px 0 10px\"\u003eRed-White Valve Guides \u0026amp; Resources\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8;list-style:disc;padding-left:20px\"\u003e\n\u003cli style=\"margin-bottom:6px\"\u003e\u003ca href=\"\/pages\/red-white-product-guide\" style=\"color:#e87722\"\u003eRed-White Valve Product Guide — complete catalog overview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:6px\"\u003e\u003ca href=\"\/pages\/red-white-valve-selection-guide\" style=\"color:#e87722\"\u003eValve Selection Guide — which valve for which job\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:6px\"\u003e\u003ca href=\"\/pages\/red-white-valve-pressure-temperature-ratings\" style=\"color:#e87722\"\u003ePressure \u0026amp; Temperature Ratings — verified charts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:6px\"\u003e\u003ca href=\"\/pages\/red-white-valve-repair-maintenance\" style=\"color:#e87722\"\u003eRepair \u0026amp; Maintenance — service guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"pvfpro-jsonld\"\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"Red-White 452 Dual Plate Iron Check Valve – 2\\\"–12\", \"sku\": \"452 2\", \"mpn\": \"452 2\", \"brand\": {\"@type\": \"Brand\", \"name\": \"Red-White Valve Corp.\"}, \"description\": \"The Red-White 452 is a brass dual plate check valve built for compact backflow prevention in commercial and industrial piping. Red-White Valve Corp. manufactures this series for daily commercial and industrial service.\", \"offers\": {\"@type\": \"Offer\", \"url\": \"https:\/\/pvfpro.com\/products\/red-white-452-dual-plate-iron-check-valve-2-12\", \"price\": \"71.92\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\", \"itemCondition\": \"https:\/\/schema.org\/NewCondition\", \"seller\": {\"@id\": \"https:\/\/pvfpro.com\/#organization\"}}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/pvfpro.com\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Red-White Valve\", \"item\": \"https:\/\/pvfpro.com\/collections\/red-white-valve\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Dual Plate Check Valves\", \"item\": \"https:\/\/pvfpro.com\/collections\/dual-plate-check-valve\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Red-White 452 Dual Plate Iron Check Valve – 2\\\"–12\", \"item\": \"https:\/\/pvfpro.com\/products\/red-white-452-dual-plate-iron-check-valve-2-12\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\n  \"@type\": \"Organization\",\n  \"@id\": \"https:\/\/pvfpro.com\/#organization\",\n  \"name\": \"PVF Pro\",\n  \"url\": \"https:\/\/pvfpro.com\",\n  \"logo\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/F9596B16-0AA7-4C1E-9F82-8F00FE848736.png?v=1771005239\",\n  \"email\": \"sales@pvfpro.com\",\n  \"telephone\": \"+1-615-219-9103\",\n  \"address\": {\n    \"@type\": \"PostalAddress\",\n    \"addressLocality\": \"Murfreesboro\",\n    \"addressRegion\": \"TN\",\n    \"addressCountry\": \"US\"\n  }\n}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\n  \"@type\": \"WebSite\",\n  \"@id\": \"https:\/\/pvfpro.com\/#website\",\n  \"url\": \"https:\/\/pvfpro.com\",\n  \"name\": \"PVF Pro — Pipe, Valves \u0026 Fittings\",\n  \"publisher\": {\n    \"@id\": \"https:\/\/pvfpro.com\/#organization\"\n  }\n}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes does the Red-White 452 come in?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This series is available in 2\\\"–12. All available sizes and configurations are listed in the variant selector above.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the 452 made of?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The body is brass. Full material specifications are on the spec sheet linked below.\"}}, {\"@type\": \"Question\", \"name\": \"Do you offer contractor or bulk pricing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Buy in volume and save, or contact us at sales@pvfpro.com for contractor pricing on quantity orders.\"}}, {\"@type\": \"Question\", \"name\": \"Where can I find the full spec sheet and technical data?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The manufacturer spec sheet is linked in the Technical Documents section below.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Red-White Valve Corp.","offers":[{"title":"2\"","offer_id":67636821623101,"sku":"452 2","price":71.92,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\"","offer_id":67636821655869,"sku":"452 2-1\/2","price":87.92,"currency_code":"USD","in_stock":true},{"title":"3\"","offer_id":67636821688637,"sku":"452 3","price":109.23,"currency_code":"USD","in_stock":true},{"title":"4\"","offer_id":67636821721405,"sku":"452 4","price":165.18,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":67636821754173,"sku":"452 5","price":234.45,"currency_code":"USD","in_stock":true},{"title":"6\"","offer_id":67636821786941,"sku":"452 6","price":287.72,"currency_code":"USD","in_stock":true},{"title":"8\"","offer_id":67636821819709,"sku":"452 8","price":507.52,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":67636821852477,"sku":"452 10","price":732.65,"currency_code":"USD","in_stock":true},{"title":"12","offer_id":67636821885245,"sku":"452 12","price":1047.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/RedWhiteValve-Silver_Gate-Globe-442-1.jpg?v=1791300213","url":"https:\/\/pvfpro.com\/products\/red-white-452-dual-plate-iron-check-valve-2-12","provider":"PVFPRO","version":"1.0","type":"link"}